Careless
Careless adjective - Not paying or showing close attention especially for the purpose of avoiding trouble.
Unthankful and careless are semantically related In some cases you can use "Unthankful" instead an adjective "Careless".
Unthankful
Unthankful adjective - Not feeling or showing gratitude.
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Synonyms for Unthankful
Careless and unthankful are semantically related in thankless topic. You can use "Careless" instead an adjective "Unthankful".
Mutual synonyms
Cite this Source
Unthankful and Careless. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/careless/unthankful
Careless & Unthankful. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/careless/unthankful>.
Unthankful or Careless. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/careless/unthankful.
Google Ngram Viewer shows how "careless" and "unthankful" have occurred on timeline